package cn.tedu.ivos.application.service.impl;

import cn.tedu.ivos.application.mapper.ApplicationMapper;
import cn.tedu.ivos.application.pojo.dto.ApplicationQuery;
import cn.tedu.ivos.application.pojo.dto.ApplicationSaveParam;
import cn.tedu.ivos.application.pojo.entity.Application;
import cn.tedu.ivos.application.pojo.vo.ApplicationVO;
import cn.tedu.ivos.application.service.ApplicationService;
import cn.tedu.ivos.audit.pojo.vo.AuditVO;
import cn.tedu.ivos.audit.service.AuditService;
import cn.tedu.ivos.base.enums.ApplicationStatusEnum;
import cn.tedu.ivos.user.mapper.UserMapper;
import cn.tedu.ivos.user.pojo.vo.UserVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.StringJoiner;

@Transactional
@Slf4j
@Service
public class ApplicationServiceImpl implements ApplicationService {
    @Autowired
    ApplicationMapper applicationMapper;
    @Autowired
    AuditService auditService;
    @Autowired
    UserMapper userMapper;

    @Override
    public void saveApplication(ApplicationSaveParam applicationSaveParam) {
        log.debug("新增申请单业务,参数={}",applicationSaveParam);
        Application application = new Application();
        BeanUtils.copyProperties(applicationSaveParam,application);
        application.setStatus(ApplicationStatusEnum.PENDING.getCode());
        application.setCreateTime(new Date());
        applicationMapper.insert(application);
        auditService.insertAudit(application);
    }

    @Override
    public List<ApplicationVO> selectApplication(ApplicationQuery applicationQuery) {
        log.debug("查询申请单业务,参数={}",applicationQuery);
        List<ApplicationVO> list = 
                applicationMapper.selectApplication(applicationQuery);
        for(int i = 0; i < list.size(); i++){
            ApplicationVO applicationVO = list.get(i);
            assignAuditUserList(applicationVO);
        }
        return list;
    }

    private void assignAuditUserList(ApplicationVO applicationVO) {
        List<Long> auditUserIdList = new ArrayList<>();
        List<String> auditUsernameList = new ArrayList<>();
        List<AuditVO> auditVOList =
                auditService.selectAuditByApplicationId(applicationVO.getId());
        for(int i = 0; i < auditVOList.size(); i++){
            AuditVO auditVO = auditVOList.get(i);
            Long id = auditVO.getAuditUserId();
            auditUserIdList.add(id);
            UserVO userVO = userMapper.selectById(id);
            auditUsernameList.add(userVO.getUsername());
        }
        StringJoiner stringJoiner = new StringJoiner(",");
        for(String username : auditUsernameList){
            stringJoiner.add(username);
        }
        applicationVO.setAuditUsernameList(stringJoiner.toString());
        applicationVO.setAuditUserIdList(auditUserIdList);
    }
}
